HP ProDesk 400 G5 Base Model Small Form Factor PC Bedienungsanleitung PDF herunterladen (Seite 54)

4. Remove the eight Torx-15 M3.0×9.0 screws that secure the system board to the computer chassis.

5. Swing the top edge of the lower cage (1) away from the computer chassis.

6. Remove the lower cage (2).

7. Lift the front edge of the system board (1) until it rests at an angle.

46 Chapter 4 Removal and replacement procedures

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 124 125

Maintenance and Service Guide 1
About This Book 3
Table of contents 5
1 Product features 9
Front panel components 10
Rear panel components 11
2 Illustrated parts catalog 12
Computer major components 5 13
Miscellaneous parts 15
Miscellaneous parts 9 17
Miscellaneous parts 11 19
Miscellaneous parts 13 21
Miscellaneous parts 15 23
Miscellaneous parts 17 25
Miscellaneous parts 19 27
Miscellaneous parts 21 29
Generating static 30
Grounding the work area 31
Operating guidelines 32
Routine care 33
Service considerations 34
SMART ATA drives 35
Preparation for disassembly 36
Access panel 37
Optical drive 38
Front bezel 39
Drive cage 40
Hard drives 41
Memory card reader 43
WLAN module 44
Memory module 45
Power supply 47
Fan shroud 48
Fan-sink 49
Processor 50
Serial connector module 52
System board 53
6. Remove the lower cage (2) 54
System board 47 55
Computer Setup–Main 58
Computer Setup—Security 60
Computer Setup—Advanced 62
Safety and comfort 68
Helpful hints 69
Solving general problems 70
Solving general problems 63 71
Solving power problems 73
Solving hard drive problems 74
Solving display problems 77
Solving display problems 71 79
Solving audio problems 81
Solving printer problems 83
Solving network problems 87
Solving network problems 81 89
Solving memory problems 90
Solving software problems 93
10 System backup and recovery 107
Using Windows tools 109
Restore and recovery 109
A Battery replacement 112
Current BIOS steps 115
Nonvolatile memory usage 117
Questions and answers 119
Using HP Sure Start 120
C Power cord set requirements 121
Country-specic requirements 122
D Specications 123

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